Patents by Inventor Yoshiaki Nagata

Yoshiaki Nagata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10711148
    Abstract: Provided are a coloring composition including a compound represented by Formula (1) shown in this specification and a compound represented by Formula (D) shown in this specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: July 14, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Yoshihiko Fujie, Yoshiaki Nagata
  • Patent number: 10703910
    Abstract: Provided are a coloring composition including a compound represented by Formula (1) shown in this specification and a compound represented by Formula (D) shown in this specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: July 7, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Takuma Amemiya, Yoshihiko Fujie, Yoshiaki Nagata
  • Patent number: 10689535
    Abstract: Provided are a coloring composition including a compound represented Formula (1) shown in the specification and at least one compound selected from the group consisting of the compound represented by Formula (D) shown in the specification and the compound represented by Formula (E) shown in the specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: June 23, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Yoshihiko Fujie, Yoshiaki Nagata
  • Patent number: 10538670
    Abstract: Provided are a pigment dispersion liquid including a pigment, a polymer dispersant, and water; and an inkjet ink containing the pigment dispersion liquid. The pigment contains a compound represented by General Formula (1) described in the specification, a tautomer thereof, or a salt of the compound or the tautomer. The polymer dispersant contains a polymer compound which has a repeating unit represented General Formula (2-1) and a repeating unit represented General Formula (2-2) described in the specification, and having a structure represented by General Formula (3) introduced into at least one terminal of a main chain: in General Formula (3), L represents a linking group; R4 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and the symbol * represents a linking bond.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: January 21, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Shinya Hayashi, Yoshiaki Nagata, Kazufumi Omura, Kazushi Furukawa, Keiichi Tateishi
  • Publication number: 20190153231
    Abstract: Provided are a pigment dispersion liquid including a pigment, a polymer dispersant, and water, in which the pigment is a pigment including a compound represented by General Formula (1) as described in the specification, a tautomer thereof, or a salt of the compound or the tautomer, and the polymer dispersant includes a polymer compound having a repeating unit represented by General Formula (2-1) and a repeating unit represented by General Formula (2-2) as described in the specification, and having a structure represented by General Formula (3) introduced into at least one terminal of the main chain; and an inkjet ink including this pigment dispersion liquid. In General Formula (3), L represents a linking group; R4 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; and the symbol * represents a linking bond.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Shinya HAYASHI, Yoshiaki NAGATA, Kazufumi OMURA, Kazushi FURUKAWA, Keiichi TATEISHI
  • Publication number: 20180371254
    Abstract: Provided are a coloring composition including a compound represented by Formula (1) shown in this specification and a compound represented by Formula (D) shown in this specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 27, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Takashi SAITOU, Yusuke SAKAI, Takuma AMEMIYA, Yoshihiko FUJIE, Yoshiaki NAGATA
  • Publication number: 20180346743
    Abstract: Provided are a coloring composition including a compound represented Formula (1) shown in the specification and at least one compound selected from the group consisting of the compound represented by Formula (D) shown in the specification and the compound represented by Formula (E) shown in the specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 6, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Takashi SAITOU, Yusuke SAKAI, Yoshihiko FUJIE, Yoshiaki NAGATA
  • Publication number: 20180340085
    Abstract: Provided are a coloring composition including a compound represented by Formula (1) shown in this specification and a compound represented by Formula (D) shown in this specification, an ink jet recording ink including the coloring composition, an ink jet recording method using the ink jet recording ink, and an ink jet printer cartridge that is filled with the ink jet recording ink.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 29, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Takashi SAITOU, Yusuke SAKAI, Yoshihiko FUJIE, Yoshiaki NAGATA
  • Publication number: 20180327619
    Abstract: Provided are an inkjet printing method including at least a step of directly printing an inkjet ink containing an aqueous dispersion of a dye polymer having a repeating unit containing a structure derived from a dye on a fabric by an inkjet method; an inkjet ink containing the aqueous dispersion of a dye polymer; an ink cartridge filled with the inkjet ink; and a colored fabric.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiko FUJIE, Yoshiaki NAGATA, Yukio TANI, Minako HARA, Keiichi TATEISHI, Hiromi KOBAYASHI
  • Publication number: 20180208787
    Abstract: Provided are an aqueous pigment dispersion that includes an azo pigment represented by Formula (1) as described in the specification, and/or a tautomer thereof, the azo pigment showing characteristic X-ray diffraction peaks at least at Bragg's angles (2?±0.2°) of 4.8°, 7.2°, 9.7°, 20.0°, 17.3°, 26.0°, and 26.7° in CuK? characteristic X-ray diffraction; a first dispersant; a second dispersant; and water, the aqueous pigment dispersion being obtained via the following Step b. Step b: a step of dispersing an azo pigment represented by Formula (1) and/or a tautomer thereof, a first dispersant, and a second dispersant in water and thereby obtaining an aqueous pigment dispersion.
    Type: Application
    Filed: March 22, 2018
    Publication date: July 26, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Hiroki SASAKI, Yoshiaki NAGATA
  • Publication number: 20170101533
    Abstract: Provided are a compound represented by any one of Formulae (1) to (3) (for example, the following compound), a coloring composition for dyeing or textile printing including the compound, an ink jet ink including the coloring composition for dyeing or textile printing, a method of printing on fabric, and a dyed or printed fabric, in which the color is excellent, the color optical density is high, and light fastness, water fastness, and chlorine fastness are excellent.
    Type: Application
    Filed: December 20, 2016
    Publication date: April 13, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Kazunari YAGI, Hiromi KOBAYASHI, Takashi IIZUMI, Yoshiaki NAGATA, Keiichi TATEISHI, Kazushi FURUKAWA
  • Publication number: 20170066160
    Abstract: A method of producing a synthetic resin stamp includes the steps of mixing 35 to 45 weight % of a polyethylene resin, 11 to 22 weight % of a thermoplastic elastomer, 35 to 45 weight % of a filling material, 2 to 7 weight % of a cross-linking agent, and 2 to 7 weight % of a foaming agent to obtain a molding material; placing the molding material in a molding die; performing a direct pressure molding at 160° C. to 190° C. for 3 to 10 minutes for performing a cross-linking reaction and a foaming reaction to obtain a foamed molded member formed of foam cells; slicing the foamed molded member to obtain a sliced member; and performing a laser engraving process on a surface of the sliced member to obtain the synthetic resin stamp.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 9, 2017
    Inventors: Ikuzo MATSUSHITA, Yoshiaki NAGATA
  • Patent number: 9359503
    Abstract: An azo pigment or a tautomer thereof represented by the following Formula (1), and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 6.5°, 7.1° and 21.8° in the CuK? characteristic X-ray diffraction.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: June 7, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Shinya Hayashi, Hiroshi Yamada, Yoshiaki Nagata
  • Patent number: 9359502
    Abstract: There is provided a pigment dispersion including an azo pigment or a tautomer thereof represented by the following Formula (1) and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 4.8°, 7.2° and 9.7° in a CuK? characteristic X-ray diffraction.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: June 7, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Tateishi, Shinya Hayashi, Hiroshi Yamada, Yoshiaki Nagata
  • Patent number: 9127131
    Abstract: A method of producing a porous molded part includes a mixing process for mixing a granular porous organizer composed of a water-soluble compound, a porous forming assistant agent composed of a polyhydric alcohol, and a cross-linking agent composed of an organic peroxide with a thermoplastic resin composition having a glass transition temperature below 0° C. to obtain a molding material; a cross-linking and forming process for placing the molding material in a molding die and performing a heat press molding thereby progressing coincidentally a cross-linking reaction and a shape forming of a seal face to obtain a molded material; an extracting process for extracting the granular porous organizer from the molded material obtained in the cross-linking and forming process to obtain a porous molded part; and a drying process for drying the porous molded part obtained in the extracting process.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: September 8, 2015
    Assignee: SHACHIHATA INC.
    Inventors: Ikuzo Matsushita, Katsuya Takaichi, Yoshiaki Nagata
  • Patent number: 8834619
    Abstract: An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 16, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yoshiaki Nagata, Keiichi Tateishi, Toshiharu Tanaka
  • Publication number: 20140217635
    Abstract: A method of producing a porous molded part includes a mixing process for mixing a granular porous organizer composed of a water-soluble compound, a porous forming assistant agent composed of a polyhydric alcohol, and a cross-linking agent composed of an organic peroxide with a thermoplastic resin composition having a glass transition temperature below 0° C. to obtain a molding material; a cross-linking and forming process for placing the molding material in a molding die and performing a heat press molding thereby progressing coincidentally a cross-linking reaction and a shape forming of a seal face to obtain a molded material; an extracting process for extracting the granular porous organizer from the molded material obtained in the cross-linking and forming process to obtain a porous molded part; and a drying process for drying the porous molded part obtained in the extracting process.
    Type: Application
    Filed: April 22, 2014
    Publication date: August 7, 2014
    Applicant: SHACHIHATA INC.
    Inventors: Ikuzo MATSUSHITA, Katsuya TAKAICHI, Yoshiaki NAGATA
  • Publication number: 20140141250
    Abstract: An azo pigment or a tautomer thereof represented by the following Formula (1), and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 6.5°, 7.1° and 21.8° in the CuK? characteristic X-ray diffraction.
    Type: Application
    Filed: January 28, 2014
    Publication date: May 22, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Shinya HAYASHI, Hiroshi YAMADA, Yoshiaki NAGATA
  • Publication number: 20140141249
    Abstract: There is provided a pigment dispersion including an azo pigment or a tautomer thereof represented by the following Formula (1) and having characteristic X-ray diffraction peaks at Bragg angles (2?±0.2°) of 4.8°, 7.2° and 9.7° in a CuK? characteristic X-ray diffraction.
    Type: Application
    Filed: January 27, 2014
    Publication date: May 22, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Keiichi TATEISHI, Shinya HAYASHI, Hiroshi YAMADA, Yoshiaki NAGATA
  • Publication number: 20140013997
    Abstract: An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording.
    Type: Application
    Filed: September 18, 2013
    Publication date: January 16, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Yoshiaki NAGATA, Keiichi TATEISHI, Toshiharu TANAKA